So, I was reading the Wikipedia page on the Jonestown massacre, and I noticed that several members of the People's Temple (including their leadership) willed all of their money to the Communist Party ...

Industrial mogul John D. Rockefeller had three daughters who lived into adulthood, but just one son, born last. His birth was remarked as fortunate, since it meant that JDR would have an heir.
Since ...

Both fiction and (contemporary at the time) conspiracy theories have many examples of "The king chooses to place a worthy replacement on the throne instead of his own not-qualified-to-rule offspring; ...

I have recently played EU4 (a Strategy game) and noticed that if you play as one of the remnants of the Mongol Empire which still has Khans/Khagans, your heir can't rule until their 15th birthday and ...